234980509 has 4 divisors (see below), whose sum is σ = 240445216. Its totient is φ = 229515804.

The previous prime is 234980461. The next prime is 234980549. The reversal of 234980509 is 905089432.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 234980509 - 2¹⁷ = 234849437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234980549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2732289 + ... + 2732374.

It is an arithmetic number, because the mean of its divisors is an integer number (60111304).

Almost surely, 2^234980509 is an apocalyptic number.

It is an amenable number.

234980509 is a deficient number, since it is larger than the sum of its proper divisors (5464707).

234980509 is an equidigital number, since it uses as much as digits as its factorization.

234980509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5464706.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 234980509 is about 15329.0739772499. The cubic root of 234980509 is about 617.0835179444.

The spelling of 234980509 in words is "two hundred thirty-four million, nine hundred eighty thousand, five hundred nine".